LEE ONN CHIENG
NPI 1659899342
Neurological Surgery in Riverside, CA
About Lee Onn Chieng NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LEE ONN CHIENG (NPI 1659899342) is an individual neurological surgery provider in Riverside, California, licensed in California (A206131) and active in the NPI registry since September 2017. He is enrolled in Medicare PECOS and maintains a secondary practice location in Saint Joseph.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Lee Onn Chieng is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92501 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
RIVERSIDE, CA 92501
RIVERSIDE, CA 92501
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Lee Onn Chieng's NPI number?
The NPI number for Lee Onn Chieng is 1659899342. It was assigned to this individual provider in the NPPES registry on September 1, 2017.
Where is Lee Onn Chieng located?
Lee Onn Chieng practices at 4510 Brockton Ave Ste 175, Riverside, CA 92501. The listed phone number is (951) 786-5550.
What is Lee Onn Chieng's specialty?
The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.
Is Lee Onn Chieng enrolled in Medicare?
Yes. Lee Onn Chieng is registered in the Medicare PECOS enrollment system.
When was this NPI record last updated?
The NPPES record for Lee Onn Chieng was last updated on September 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.